In electrical resistance welding, distortion results from the use of improper

A. Clamping methods

B. Electrodes

C. Current

D. Filler material

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Addition of __________ to steel does not impart hardness.
  2. The unit of gc is
  3. Which of the following is not an ore of copper?
  4. In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
  5. The underground well of a biogas plant is called the
  6. Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
  7. When the wavelength of incident X-rays increases, the angle of diffraction
  8. Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
  9. For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation…
  10. For a spontaneous natural process at constant temperature and pressure, the free energy of the system…
  11. A solar cell converts the sunlight directly into __________ energy.
  12. Colour comparator is used to measure the
  13. Presence of nickel & chromium in steel does not raise its
  14. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  15. __________ circuit is most commonly used to measure strain with the help of a strain gauge.
  16. __________ test can be termed as the semidestructive test.
  17. Annealing of cast iron
  18. What is the value of entropy at 273°K?
  19. Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
  20. __________ is the most important element, which controls the physical properties of steel.
  21. Lead is poured into the joints between two __________ pipes.
  22. Ultimate strength in tension as compared to that in shear for steel is
  23. Metal shots used in shot blasting are made of
  24. 'Amortization' in respect of financial obligation of a company means the
  25. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
  26. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  27. The product (s) of roasting of a sulphide ore is (are)
  28. Wrought iron does not have
  29. Brazing is the joining of metals
  30. For separating small pieces of metal from engine oil of a car, the best separating technique is the